Objective
Mortality is linked to lifestyle factors. Although much is known about the impacts of single components, there is currently no systematic compilation of research on the combined effects of lifestyle habits on mortality.
Evidence
Up to February 2012, searched Medline, Embase, Global Health, and Prospective studies that documented the combined effects of at least three of the five lifestyle factors were chosen (obesity, alcohol consumption, smoking, diet, and physical activity). Meta-analysis was used to compare the mean effect sizes of various combinations of lifestyle factors on mortality in the group with the fewest healthy lifestyle characteristics. To test the results' robustness, sensitivity analyses were performed.
Results
The meta-analysis included 15 studies (18 cohorts) that matched the inclusion criteria, totaling 531,804 pers
ons with a mean follow-up of 13.24 years. For all-cause mortality, the relative risks reduced as the number of healthy lifestyle factors increased. A combination of at least four healthy lifestyle characteristics is linked to a 66 percent (95 percent confidence interval 58 percent–73 percent) reduction in all-cause death risk.
Conclusion
Maintaining a healthy lifestyle is linked to a lower risk of death. Highlights We carried out a meta-analysis on the link between a healthy lifestyle and mortality. At least three beneficial actions were required for a healthy lifestyle. Smoking, obesity, exercise, food, and alcohol consumption were all considered. 4 beneficial aspects. In Iranian individuals, we discovered evidence that adherence to a healthy lifestyle, as opposed to a non-healthy lifestyle, was related to a lower risk of all-cause mortality and mortality from cardiovascular illnesses..
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